Flash Cartridges for Game Boy and Game Boy Color

Here are two useful finds for original Nintendo hardware.

For Nintendo DS: DSPico flash cartridge with USB-C.

For Game Boy Advance SP: an IPS-ready eXtremeRate replacement shell.

This section covers flash cartridges for the classic Game Boy, Game Boy Pocket, Light, and Color, including buying guides, articles about EZ-Flash Junior and EverDrive, and Analogue Pocket compatibility. If you are choosing your first cartridge, start with the guide below. The rest of the page contains setup instructions, comparisons, and articles about individual devices.

Which flash cartridge should you choose for Game Boy?
GUIDEWhich Flash Cartridge Should You Choose for Game Boy?
Which flash cartridges work with Analogue Pocket?
ARTICLEWhich Flash Cartridges Work with Analogue Pocket?
EZ-Flash Junior for Game Boy
GUIDEEZ-Flash Junior for Game Boy
Which EverDrive should you choose for Game Boy?
GUIDEWhich EverDrive Should You Choose for Game Boy?